Find the Exact Value of the Expression $- \frac { \sqrt { 3 } } { 2 }$

question 140

Multiple Choice

Find the exact value of the expression.
-cos 210°

• A) \(- \frac { \sqrt { 3 } } { 2 }\)
• B) \(\frac { \sqrt { 2 } } { 2 }\)
• C) \(- \frac { \sqrt { 2 } } { 2 }\)
• D) \(\frac { \sqrt { 3 } } { 2 }\)

---

Definitions:

Accounting Break-even

The point at which a project's revenues equal its costs, considering both cash and non-cash expenses.

Variable Cost

Charges that adjust according to the amount of goods produced or sold, like raw materials and labor costs.

Fixed Costs

Fixed Costs refer to business expenses that do not change, regardless of how much the business produces or sells.

Operating Cash Flow

The cash generated from a company's regular business operations, indicating its ability to cover operational costs and make new investments.